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authorEric Blake <eblake@redhat.com>2016-06-09 10:48:35 -0600
committerMarkus Armbruster <armbru@redhat.com>2016-07-06 10:52:04 +0200
commit2c0ef9f411ae6081efa9eca5b3eab2dbeee45a6c (patch)
tree170fd114e761c875bda5438718a82c22fb4b2cec /include/qapi/dealloc-visitor.h
parent1158bb2a058fcdd0c8fc3e60dc77f7a57ddbb271 (diff)
qapi: Add new visit_free() function
Making each visitor provide its own (awkwardly-named) FOO_cleanup() is unusual, when we can instead have a polymorphic visit_free() interface. Over the next few patches, we can use the polymorphic functions to eliminate the need for a FOO_get_visitor() function for accessing specific visitor functionality, once everything can be accessed directly through the Visitor* interfaces. The dealloc visitor is the first one converted to completely use the new entry point, since qapi_dealloc_visitor_cleanup() was the only reason that qapi_dealloc_get_visitor() existed, and only generated and testsuite code was even using it. With the new visit_free() entry point in place, we no longer need to expose the QapiDeallocVisitor subtype through qapi_dealloc_visitor_new(), and can get by with less generated code, with diffs that look like: | void qapi_free_ACPIOSTInfo(ACPIOSTInfo *obj) | { |- QapiDeallocVisitor *qdv; | Visitor *v; | | if (!obj) { | return; | } | |- qdv = qapi_dealloc_visitor_new(); |- v = qapi_dealloc_get_visitor(qdv); |+ v = qapi_dealloc_visitor_new(); | visit_type_ACPIOSTInfo(v, NULL, &obj, NULL); |- qapi_dealloc_visitor_cleanup(qdv); |+ visit_free(v); |} Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1465490926-28625-5-git-send-email-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'include/qapi/dealloc-visitor.h')
-rw-r--r--include/qapi/dealloc-visitor.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/include/qapi/dealloc-visitor.h b/include/qapi/dealloc-visitor.h
index 45b06b248c..b3e5c85fd8 100644
--- a/include/qapi/dealloc-visitor.h
+++ b/include/qapi/dealloc-visitor.h
@@ -23,9 +23,6 @@ typedef struct QapiDeallocVisitor QapiDeallocVisitor;
* qapi_free_FOO() functions, and is the only visitor designed to work
* correctly in the face of a partially-constructed QAPI tree.
*/
-QapiDeallocVisitor *qapi_dealloc_visitor_new(void);
-void qapi_dealloc_visitor_cleanup(QapiDeallocVisitor *d);
-
-Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v);
+Visitor *qapi_dealloc_visitor_new(void);
#endif